Specifications?
Product size: as shown
Color: Silver/Black/Gold/Shiny black
The diameter of the circle: 28 mm
Material: Stainless Steel.
model:Hex Shank/Triangular Shank

Package Include:
1 x Deburring External Chamfer Tool.

Features:
This Deburring External Chamfer Tool quickly repairs damaged bolts and tightens the nuts in place, saving you time and money. The tool simplifies the repair process, can reduce repair time, and eliminates the need to replace expensive or hard-to-find hardware while maintaining safety at levels previously unattainable.
Simple design and a compact size, means the tool is easily carried in your tool pouch. Quickly slap it into your hand drill and start repairing work pieces.
The operation is simple, using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr.
Save an immeasurable amount of time and money by not replacing expensive and hard to find fasteners. Especially when dealing with fixed bolts.
Effective on: Stainless Steel / Hardened Steel / Mild Steel / Copper / Brass / Aluminum / Fiberglass / Wood / Plastic.

Proper Use:
This tool works by way of shearing metal layer by layer.
Slow speed, along with no unnecessary cutting and the use of cutting oil or another lubricant will make it last longer.

Note:
1.Because of the size measurements are handmade, so there may be 1-3cm error
2.Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.